Base | Representation |
---|---|
bin | 1111010010010… |
… | …01011011101100 |
3 | 22221021121110002 |
4 | 13221021123230 |
5 | 230311231202 |
6 | 20420203432 |
7 | 3114624542 |
oct | 751113354 |
9 | 287247402 |
10 | 128227052 |
11 | 66420978 |
12 | 36b39578 |
13 | 207477c5 |
14 | 1305bd92 |
15 | b3cd302 |
hex | 7a496ec |
128227052 has 12 divisors (see below), whose sum is σ = 230462400. Its totient is φ = 62380656.
The previous prime is 128227037. The next prime is 128227091. The reversal of 128227052 is 250722821.
It is a super-2 number, since 2×1282270522 = 32884353729221408, which contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433052 + ... + 433347.
It is an arithmetic number, because the mean of its divisors is an integer number (19205200).
Almost surely, 2128227052 is an apocalyptic number.
It is an amenable number.
128227052 is a deficient number, since it is larger than the sum of its proper divisors (102235348).
128227052 is a wasteful number, since it uses less digits than its factorization.
128227052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 866440 (or 866438 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 128227052 is about 11323.7384286286. The cubic root of 128227052 is about 504.2662310145.
Adding to 128227052 its reverse (250722821), we get a palindrome (378949873).
The spelling of 128227052 in words is "one hundred twenty-eight million, two hundred twenty-seven thousand, fifty-two".
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